OK, let's crack this. We're given 113 and our task is to multiply it by 321. Essentially, we'll be adding 113 to itself 321 times.
Step 1: 0 + 113 = 113
Step 2: 113 + 113 = 226
Step 3: 226 + 113 = 339
Step 4: 339 + 113 = 452
Step 5: 452 + 113 = 565
Step 6: 565 + 113 = 678
Step 7: 678 + 113 = 791
Step 8: 791 + 113 = 904
Step 9: 904 + 113 = 1017
Step 10: 1017 + 113 = 1130
Step 11: 1130 + 113 = 1243
Step 12: 1243 + 113 = 1356
Step 13: 1356 + 113 = 1469
Step 14: 1469 + 113 = 1582
Step 15: 1582 + 113 = 1695
Step 16: 1695 + 113 = 1808
Step 17: 1808 + 113 = 1921
Step 18: 1921 + 113 = 2034
Step 19: 2034 + 113 = 2147
Step 20: 2147 + 113 = 2260
Step 21: 2260 + 113 = 2373
Step 22: 2373 + 113 = 2486
Step 23: 2486 + 113 = 2599
Step 24: 2599 + 113 = 2712
Step 25: 2712 + 113 = 2825
Step 26: 2825 + 113 = 2938
Step 27: 2938 + 113 = 3051
Step 28: 3051 + 113 = 3164
Step 29: 3164 + 113 = 3277
Step 30: 3277 + 113 = 3390
Step 31: 3390 + 113 = 3503
Step 32: 3503 + 113 = 3616
Step 33: 3616 + 113 = 3729
Step 34: 3729 + 113 = 3842
Step 35: 3842 + 113 = 3955
Step 36: 3955 + 113 = 4068
Step 37: 4068 + 113 = 4181
Step 38: 4181 + 113 = 4294
Step 39: 4294 + 113 = 4407
Step 40: 4407 + 113 = 4520
Step 41: 4520 + 113 = 4633
Step 42: 4633 + 113 = 4746
Step 43: 4746 + 113 = 4859
Step 44: 4859 + 113 = 4972
Step 45: 4972 + 113 = 5085
Step 46: 5085 + 113 = 5198
Step 47: 5198 + 113 = 5311
Step 48: 5311 + 113 = 5424
Step 49: 5424 + 113 = 5537
Step 50: 5537 + 113 = 5650
Step 51: 5650 + 113 = 5763
Step 52: 5763 + 113 = 5876
Step 53: 5876 + 113 = 5989
Step 54: 5989 + 113 = 6102
Step 55: 6102 + 113 = 6215
Step 56: 6215 + 113 = 6328
Step 57: 6328 + 113 = 6441
Step 58: 6441 + 113 = 6554
Step 59: 6554 + 113 = 6667
Step 60: 6667 + 113 = 6780
Step 61: 6780 + 113 = 6893
Step 62: 6893 + 113 = 7006
Step 63: 7006 + 113 = 7119
Step 64: 7119 + 113 = 7232
Step 65: 7232 + 113 = 7345
Step 66: 7345 + 113 = 7458
Step 67: 7458 + 113 = 7571
Step 68: 7571 + 113 = 7684
Step 69: 7684 + 113 = 7797
Step 70: 7797 + 113 = 7910
Step 71: 7910 + 113 = 8023
Step 72: 8023 + 113 = 8136
Step 73: 8136 + 113 = 8249
Step 74: 8249 + 113 = 8362
Step 75: 8362 + 113 = 8475
Step 76: 8475 + 113 = 8588
Step 77: 8588 + 113 = 8701
Step 78: 8701 + 113 = 8814
Step 79: 8814 + 113 = 8927
Step 80: 8927 + 113 = 9040
Step 81: 9040 + 113 = 9153
Step 82: 9153 + 113 = 9266
Step 83: 9266 + 113 = 9379
Step 84: 9379 + 113 = 9492
Step 85: 9492 + 113 = 9605
Step 86: 9605 + 113 = 9718
Step 87: 9718 + 113 = 9831
Step 88: 9831 + 113 = 9944
Step 89: 9944 + 113 = 10057
Step 90: 10057 + 113 = 10170
Step 91: 10170 + 113 = 10283
Step 92: 10283 + 113 = 10396
Step 93: 10396 + 113 = 10509
Step 94: 10509 + 113 = 10622
Step 95: 10622 + 113 = 10735
Step 96: 10735 + 113 = 10848
Step 97: 10848 + 113 = 10961
Step 98: 10961 + 113 = 11074
Step 99: 11074 + 113 = 11187
Step 100: 11187 + 113 = 11300
Step 101: 11300 + 113 = 11413
Step 102: 11413 + 113 = 11526
Step 103: 11526 + 113 = 11639
Step 104: 11639 + 113 = 11752
Step 105: 11752 + 113 = 11865
Step 106: 11865 + 113 = 11978
Step 107: 11978 + 113 = 12091
Step 108: 12091 + 113 = 12204
Step 109: 12204 + 113 = 12317
Step 110: 12317 + 113 = 12430
Step 111: 12430 + 113 = 12543
Step 112: 12543 + 113 = 12656
Step 113: 12656 + 113 = 12769
Step 114: 12769 + 113 = 12882
Step 115: 12882 + 113 = 12995
Step 116: 12995 + 113 = 13108
Step 117: 13108 + 113 = 13221
Step 118: 13221 + 113 = 13334
Step 119: 13334 + 113 = 13447
Step 120: 13447 + 113 = 13560
Step 121: 13560 + 113 = 13673
Step 122: 13673 + 113 = 13786
Step 123: 13786 + 113 = 13899
Step 124: 13899 + 113 = 14012
Step 125: 14012 + 113 = 14125
Step 126: 14125 + 113 = 14238
Step 127: 14238 + 113 = 14351
Step 128: 14351 + 113 = 14464
Step 129: 14464 + 113 = 14577
Step 130: 14577 + 113 = 14690
Step 131: 14690 + 113 = 14803
Step 132: 14803 + 113 = 14916
Step 133: 14916 + 113 = 15029
Step 134: 15029 + 113 = 15142
Step 135: 15142 + 113 = 15255
Step 136: 15255 + 113 = 15368
Step 137: 15368 + 113 = 15481
Step 138: 15481 + 113 = 15594
Step 139: 15594 + 113 = 15707
Step 140: 15707 + 113 = 15820
Step 141: 15820 + 113 = 15933
Step 142: 15933 + 113 = 16046
Step 143: 16046 + 113 = 16159
Step 144: 16159 + 113 = 16272
Step 145: 16272 + 113 = 16385
Step 146: 16385 + 113 = 16498
Step 147: 16498 + 113 = 16611
Step 148: 16611 + 113 = 16724
Step 149: 16724 + 113 = 16837
Step 150: 16837 + 113 = 16950
Step 151: 16950 + 113 = 17063
Step 152: 17063 + 113 = 17176
Step 153: 17176 + 113 = 17289
Step 154: 17289 + 113 = 17402
Step 155: 17402 + 113 = 17515
Step 156: 17515 + 113 = 17628
Step 157: 17628 + 113 = 17741
Step 158: 17741 + 113 = 17854
Step 159: 17854 + 113 = 17967
Step 160: 17967 + 113 = 18080
Step 161: 18080 + 113 = 18193
Step 162: 18193 + 113 = 18306
Step 163: 18306 + 113 = 18419
Step 164: 18419 + 113 = 18532
Step 165: 18532 + 113 = 18645
Step 166: 18645 + 113 = 18758
Step 167: 18758 + 113 = 18871
Step 168: 18871 + 113 = 18984
Step 169: 18984 + 113 = 19097
Step 170: 19097 + 113 = 19210
Step 171: 19210 + 113 = 19323
Step 172: 19323 + 113 = 19436
Step 173: 19436 + 113 = 19549
Step 174: 19549 + 113 = 19662
Step 175: 19662 + 113 = 19775
Step 176: 19775 + 113 = 19888
Step 177: 19888 + 113 = 20001
Step 178: 20001 + 113 = 20114
Step 179: 20114 + 113 = 20227
Step 180: 20227 + 113 = 20340
Step 181: 20340 + 113 = 20453
Step 182: 20453 + 113 = 20566
Step 183: 20566 + 113 = 20679
Step 184: 20679 + 113 = 20792
Step 185: 20792 + 113 = 20905
Step 186: 20905 + 113 = 21018
Step 187: 21018 + 113 = 21131
Step 188: 21131 + 113 = 21244
Step 189: 21244 + 113 = 21357
Step 190: 21357 + 113 = 21470
Step 191: 21470 + 113 = 21583
Step 192: 21583 + 113 = 21696
Step 193: 21696 + 113 = 21809
Step 194: 21809 + 113 = 21922
Step 195: 21922 + 113 = 22035
Step 196: 22035 + 113 = 22148
Step 197: 22148 + 113 = 22261
Step 198: 22261 + 113 = 22374
Step 199: 22374 + 113 = 22487
Step 200: 22487 + 113 = 22600
Step 201: 22600 + 113 = 22713
Step 202: 22713 + 113 = 22826
Step 203: 22826 + 113 = 22939
Step 204: 22939 + 113 = 23052
Step 205: 23052 + 113 = 23165
Step 206: 23165 + 113 = 23278
Step 207: 23278 + 113 = 23391
Step 208: 23391 + 113 = 23504
Step 209: 23504 + 113 = 23617
Step 210: 23617 + 113 = 23730
Step 211: 23730 + 113 = 23843
Step 212: 23843 + 113 = 23956
Step 213: 23956 + 113 = 24069
Step 214: 24069 + 113 = 24182
Step 215: 24182 + 113 = 24295
Step 216: 24295 + 113 = 24408
Step 217: 24408 + 113 = 24521
Step 218: 24521 + 113 = 24634
Step 219: 24634 + 113 = 24747
Step 220: 24747 + 113 = 24860
Step 221: 24860 + 113 = 24973
Step 222: 24973 + 113 = 25086
Step 223: 25086 + 113 = 25199
Step 224: 25199 + 113 = 25312
Step 225: 25312 + 113 = 25425
Step 226: 25425 + 113 = 25538
Step 227: 25538 + 113 = 25651
Step 228: 25651 + 113 = 25764
Step 229: 25764 + 113 = 25877
Step 230: 25877 + 113 = 25990
Step 231: 25990 + 113 = 26103
Step 232: 26103 + 113 = 26216
Step 233: 26216 + 113 = 26329
Step 234: 26329 + 113 = 26442
Step 235: 26442 + 113 = 26555
Step 236: 26555 + 113 = 26668
Step 237: 26668 + 113 = 26781
Step 238: 26781 + 113 = 26894
Step 239: 26894 + 113 = 27007
Step 240: 27007 + 113 = 27120
Step 241: 27120 + 113 = 27233
Step 242: 27233 + 113 = 27346
Step 243: 27346 + 113 = 27459
Step 244: 27459 + 113 = 27572
Step 245: 27572 + 113 = 27685
Step 246: 27685 + 113 = 27798
Step 247: 27798 + 113 = 27911
Step 248: 27911 + 113 = 28024
Step 249: 28024 + 113 = 28137
Step 250: 28137 + 113 = 28250
Step 251: 28250 + 113 = 28363
Step 252: 28363 + 113 = 28476
Step 253: 28476 + 113 = 28589
Step 254: 28589 + 113 = 28702
Step 255: 28702 + 113 = 28815
Step 256: 28815 + 113 = 28928
Step 257: 28928 + 113 = 29041
Step 258: 29041 + 113 = 29154
Step 259: 29154 + 113 = 29267
Step 260: 29267 + 113 = 29380
Step 261: 29380 + 113 = 29493
Step 262: 29493 + 113 = 29606
Step 263: 29606 + 113 = 29719
Step 264: 29719 + 113 = 29832
Step 265: 29832 + 113 = 29945
Step 266: 29945 + 113 = 30058
Step 267: 30058 + 113 = 30171
Step 268: 30171 + 113 = 30284
Step 269: 30284 + 113 = 30397
Step 270: 30397 + 113 = 30510
Step 271: 30510 + 113 = 30623
Step 272: 30623 + 113 = 30736
Step 273: 30736 + 113 = 30849
Step 274: 30849 + 113 = 30962
Step 275: 30962 + 113 = 31075
Step 276: 31075 + 113 = 31188
Step 277: 31188 + 113 = 31301
Step 278: 31301 + 113 = 31414
Step 279: 31414 + 113 = 31527
Step 280: 31527 + 113 = 31640
Step 281: 31640 + 113 = 31753
Step 282: 31753 + 113 = 31866
Step 283: 31866 + 113 = 31979
Step 284: 31979 + 113 = 32092
Step 285: 32092 + 113 = 32205
Step 286: 32205 + 113 = 32318
Step 287: 32318 + 113 = 32431
Step 288: 32431 + 113 = 32544
Step 289: 32544 + 113 = 32657
Step 290: 32657 + 113 = 32770
Step 291: 32770 + 113 = 32883
Step 292: 32883 + 113 = 32996
Step 293: 32996 + 113 = 33109
Step 294: 33109 + 113 = 33222
Step 295: 33222 + 113 = 33335
Step 296: 33335 + 113 = 33448
Step 297: 33448 + 113 = 33561
Step 298: 33561 + 113 = 33674
Step 299: 33674 + 113 = 33787
Step 300: 33787 + 113 = 33900
Step 301: 33900 + 113 = 34013
Step 302: 34013 + 113 = 34126
Step 303: 34126 + 113 = 34239
Step 304: 34239 + 113 = 34352
Step 305: 34352 + 113 = 34465
Step 306: 34465 + 113 = 34578
Step 307: 34578 + 113 = 34691
Step 308: 34691 + 113 = 34804
Step 309: 34804 + 113 = 34917
Step 310: 34917 + 113 = 35030
Step 311: 35030 + 113 = 35143
Step 312: 35143 + 113 = 35256
Step 313: 35256 + 113 = 35369
Step 314: 35369 + 113 = 35482
Step 315: 35482 + 113 = 35595
Step 316: 35595 + 113 = 35708
Step 317: 35708 + 113 = 35821
Step 318: 35821 + 113 = 35934
Step 319: 35934 + 113 = 36047
Step 320: 36047 + 113 = 36160
Step 321: 36160 + 113 = 36273

So, 113*321 = 36273